package tech.aistar.day05.exercise;

/**
 * 本类用来演示:
 *
 * @author: success
 * @date: 2022/7/22 2:23 下午
 */
public class Shape {
    public double area(){
        return 0.0d;
    }

    public double girth(){
        return 0.0d;
    }
}
